Automatic discharge-valve for lavatories and the like.



H. caoss. AUTOMATIC DISCHARGE VALVE FOHLAVATORIES AND THE LIKE.

APPLIEATION man rea. 2|. 191s.

Patented Dec. 10, 1918.

r" www: nur: cn. mmumu.. mmmmcm. n cA HAROLD CROSS, OF LOS ANGELES, CALIFORNIA.

AUTOMATIC DISCHARGE-VALVE FOR LAVATORIES AND THE LIKE.

Specification of Letters Patent. Patented vDieci'IlO, 1918.

Application filed February 21, 1918. Serial No. 218,465.

To all whom t may concern: Be it known that I, HARoLD'CRoss, a citizen of the United States, residing at Los of which the followingV is a specification.

My object is to make an automatic discharge valve for lavatories andthe like, the valve having manual means for discharging when desired, and my invention consists in the novel features herein shown, described and claimed. A v

Figure 1 is a fragmentary sectional perspective showing an automatic discharge valve embodying the principlesA of my invention in positionfor' use.

Fig. 2 is a horizontal sectional detail on the line 2-2 of Fig. l. u

Fig. 3 is a vertical cross-'section `on the lines 3-3 of Figs. 1 and 2.

Fig. 4 is a fragmentary vertical section on the line 44 of Fig. 1.

The upper end of the discharge pipe. 1 has an annular flange 2 projecting inwardly, the flange 2 being some distance below the extreme upper end face 3. A supporting flange 4 extends outwardly to increase the size of the upper face 3. A gasket 5 is inserted into the discharge opening 6 of the bowl 7, said gasket being L-shaped in crosssection and the lower face of the gasket resting upon t-he upper face 3 of the discharge pipe. A sleeve S is inserted downwardly through the opening 6 of the bowl and has a flange 9 engaging the inner face of the bowl around the opening 6, and the sleeve fits closely in the opening 6 and is off-set inwardly to pass the gasket 5 and then extends downwardly and fits closely in the discharge pipe 1. The valve casing 10 is cylindrical and is inserted downwardly in the sleeve 8 and rests upon the flange 2. A strainer 11 is inserted downwardly into the sleeve 8 and rests upon the shoulder 12, so that the upper face of the strainer is flush with the upper face of the flange 9.

The details of the valve 13 in the valve casing 10 are as follows:

The circular flat valve 14 is adapted to fit in the casing 10 andis pivotally supported by set-screws 15 and 16 inserted through the casing 10 loosely into openings in the periphery of the valve, said pivots being upon the line 17 to one side of the center point 18 so that the portion 19 yof the valve will have a greater area than the portion 20. A stop flange 21 extends inwardly from the casing 10 under the portion and a similar stop flange 22 .extends from the casing 10 over the portion' 19, so that when lthe valve is horizontal and closed, as in Fig. 3, the portion19 swings upwardly against the flange 22 and theportion 20 swingsdownwardly against theliange `21. The valve is counterbalancedlby a weight 23 extending downwardly from the portion 20, the gravity of the weight 23 being sutlicient, when added toV the weight of .the portion 20, to overbalance the portion 19 and closethe valve and to hold the valve closed with a small quantityof liquid restingk upon the valve and filling the upper part of the casing 10 and flooding the'strainerll; iA pocket 24 is formed in the weight 23 and opening toward the periphery" of the portion 20 so that when the valve is horizontal the pocket 24 is empty and when Vthe valve swings to its vertical open position, as shown in dotted lines in Fig. 3, the pocket is in position to catch liquid coming through the strainer and the weight of this liquid is sutlicient to counterbalance and close the valve. the strainer 11 the weight of the water upon the portion 19 will overbalance the weight of the portion 20 and the weight 23 and automatically open the valve and discharge the water. Then when the pocket 24 fills with water the valve will be automatically closed, in fact the pocket will be filled with water and will retain this water as t-he water discharges from the bowl and when the ow ceases the valve will immediately close.

A rock-shaft 25 is mounted in abearing` 26 extending from the discharge pipe 1, a crank 27 extends from the inner end of the shaft, and a crank pin 28 carrying an arm 28 extends from the crank under the portion 20 of the valve. An arm 29 extends from the outer end of the shaft 25 upwardly and outwardly at an angle of about forty-five degrees. A push-button 30 is formed upon the upper end of a push-rod 31 mounted at one side of the bowl 7 and a bearing 32 at the lower end of the push-rod 31 has an opening 33 through which the arm 29 extends. A spring 34 holds the rod 31 in its normal elevated position. When, for any reason, it is desired to discharge the valve., the push-button 30 is pressed downwardly,

As the bowl 7 fills with water above 85 and the push-rod 3l slides downwardly to j charge Whenthe amount of liquid is increased beyond a certain point and which may be manually discharged at any time.

Various changes may be made. in the details of construction Without depart-ing from the spirit of my invention as claimed.

I claim:

l. The combination With 1an automatic' valve, of a shaft, a crank extending from the shaft, a. pin extendingl from the crank and engaging under the short side of the valve, and a push-,rod connected to the. sha-ft forrrotating the shaft and operating the crank pin to discharge vthe valve.

2. In an automatic valve, a casing, a circular flat valve' pivotally mounted in the casing With more supporting area on one side of the pivot than on the other, ianges extending from the casing to be engaged by the valve in its closed position to form joints, and a pocketed counterbalancing Weight extending from the lower face of the short portion of the valve and adapted to counterbalance the valve to support a certain amount of liquid and to be overbalanced by an excess of liquid and the pocket being adapted to fillv with liquid when the valve is overbalanced to restore the valve to its normal closed position. 3. The combination With an automatic valve, of a shaft, a crank extending from the shaft, a pin extending from the cra-nk and engaging under the short side of the valve, an arm extending from the outer end of the shaft; said arm being atan angle of about forty-vedegrees upwardly and outwardly from the shaft when the valve is closed; and a push rod mounted at ono side of the shaft and having a bem-ing at its lower end through which the. arm extends loosely.

In testimony whereof I have signed my name to this speciication.-

HAROLD CROSS'.

ve cents nach, by addressing the "Commissioner of Patents, Washington, D. C. 

